Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
More on Aliexpress… Here are coupons that you can use.
Latest coupon code price check (UTC time):
Price history and price alert
Here is price history (for all/most countries) for 40m Laser Range Finder.
Price records source(s): Gearbest
Click on image to enlarge.
You can set price alert (for Banggood).